Wash fish, season with salt and fry in moderately hot oil.
Drain from oil onto paper towels and set aside.
When cool enough to touch, break the flesh into flakes and discard their bones.
In a bowl, add sugar, black pepper, flour, yeast, baking powder and salt, stir to mix properly.
Blend together onions, fresh pepper and spring onions with half the water.
Pour blended onions and fish flakes into the flour and mix.
Keep adding the rest of the warm water as you mix until you get a thick batter.
Beat well, cover and set aside for 15 to 20 minutes.
Heat up oil in a frying pan, when hot, scoop a tablespoon of batter into the oil, (You can use an ice-cream scoop). Do not overcrowd the oil.
Fry until browned then flip and fry the other side.
Drain on paper towels.